Broken subtest under forkprove in version 1.301001_022 and newer

[kocoureasy]

Hello,
I found that is broken subtest run in forkprove when I use Test::More in version 1.301001_022 and newer.
This is test file as forkprove.t:

#!/bin/env perl

use strict;
use warnings;

use Test::More tests => 1;

subtest 'no compile-time warnings' => sub {
    my @warnings;
    local $SIG{'__WARN__'} = sub { push @warnings, $_[0] };

    require Test::More;;

    is_deeply(\@warnings, [], 'no warnings');
  }

I run this test script with this command forkprove -MTest::More forkprove.t

In version 1.301001_021 and oder worked properly.

Regards
Igor